I too have a rather large collection of knives. The ones I cherish the most that do not get used for anything are the knives that are hand made. I have a real affinity for Damascus style blades.
The knife in the 1st photo is made by a Lady in Twin falls Idaho. The handle is elk antler. The blade is made from an old file.
The knives in the following photos are a couple of Damascus blades I had made.
The knife with the deer horn antler was made by a fellow in Twin falls Idaho.
The other knife was made in Moose Pass Alaska by Virgil Cambell, the handle is made from petri